we need to protect their environment. we have a strict quarantine system to protect the integrity of the environment. forty years on, it's still a class-a nature reserve. it's our job to look after them. ...it's my job to look after it. ♪ >>> cloudy to mostly cloudy. still some light rain. temperatures in the 50s. if we can get a few sunbreaks, it could feel muggy. it looks like this afternoon rain will be ending. >>> the top u.s. military commander in europe says several nato countries are working on contingency plans for possible military action to end the two-year civil war in syria. but the commander says a resolution from the u.n. security council and agreement among nato's 28 members will be required before taking a military role in syria. the commander tells us the senate committee that he believes providing military assistance to the opposition would be helpful in bringing an end to the war. syria's main opposition group is demanding a full investigation into an alleged chemical weapons attack by president assad